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| author | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
| commit | c91925db4925ba0d145478f02c093369196936e9 (patch) | |
| tree | 0e5da4211de3c18b65337c3094ec15994cf2534a /fs/exec.c | |
| parent | 977ddd6b2e63716cfefe669bbdb30ec0bcea1fe4 (diff) | |
| parent | 3894335876a6257ac46e14845bd37ae6fb0f7c87 (diff) | |
| download | linux-c91925db4925ba0d145478f02c093369196936e9.tar.gz linux-c91925db4925ba0d145478f02c093369196936e9.tar.bz2 linux-c91925db4925ba0d145478f02c093369196936e9.zip | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c index 2d9455282744..828dd2461d6b 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -376,6 +376,9 @@ static int count(const char __user * const __user * argv, int max) argv++; if (i++ >= max) return -E2BIG; + + if (fatal_signal_pending(current)) + return -ERESTARTNOHAND; cond_resched(); } } @@ -419,6 +422,12 @@ static int copy_strings(int argc, const char __user *const __user *argv, while (len > 0) { int offset, bytes_to_copy; + if (fatal_signal_pending(current)) { + ret = -ERESTARTNOHAND; + goto out; + } + cond_resched(); + offset = pos % PAGE_SIZE; if (offset == 0) offset = PAGE_SIZE; @@ -594,6 +603,11 @@ int setup_arg_pages(struct linux_binprm *bprm, #else stack_top = arch_align_stack(stack_top); stack_top = PAGE_ALIGN(stack_top); + + if (unlikely(stack_top < mmap_min_addr) || + unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr)) + return -ENOMEM; + stack_shift = vma->vm_end - stack_top; bprm->p -= stack_shift; |